110 results about "Grindstone" patented technology

The present invention relates to the technical field of lead powder grinders, and in particular to a lead powder grinder with a cutter grinding function. The present invention provides a lead powder grinder with a cutter grinding function that can grind and frost a cutter. A lead powder grinder with a cutter grinding function comprises a base, a grinding box, a sliding door, a lead powder placement box, a sealed door, a guide rail, and a motor, etc. A grinding box is installed in the middle of the upper rear side of the base, the left and right sides of the grinding box are slidably connected to the sliding door, the front lower part of the grinding box is rotatably connected to the sealed door, a lead powder placement box is placed at the bottom of the grinding box, the front and rear sides of the bottom of the grinding box are connected to the guide rails, and the rear side of the inner wall of the grinding box is slidably connected to the motor. When the blade of the cutter is inserted into the strip groove on the grindstone, the cutter in a rotating state rubs against the grindstone, thereby being able to grind the cutter, which is beneficial to maintaining the grinding effect of the cutter on the lead powder.

The utility model relates to a knife sharpening auxiliary structure and a knife sharpening device, and belongs to the technical field of knife sharpeners. The cutter placing table comprises a base and limiting assemblies arranged on the base left and right, the limiting assemblies are symmetrically located on the two sides of the base, each limiting assembly comprises a first limiting plate and a second limiting plate, and a limiting gap used for limiting a cutting edge is formed between the first limiting plate and the second limiting plate which are parallel to each other; the first limiting plate and the second limiting plate incline downwards towards the center point of the base. The utility model provides a knife sharpening auxiliary structure and a knife sharpening device, which ensure that the grinding angle is accurate and consistent through an inclined limiting plate and improve the grinding quality. The two faces of the knife stone assembly are different in roughness, coarse grinding and accurate grinding can be rapidly switched, and the grinding efficiency is improved. And the cutter placing table and the fixing seat are quickly disassembled and assembled, and the universality is high. The overturning assembly is ingenious in design, it is guaranteed that the knife stone is overturned flexibly and stably, user experience is optimized, the cutting edge is evenly ground through the two-way sliding design, and the knife connecting trace is eliminated.

To provide an edge line generation device that can easily obtain an edge line useful for creation of a grinding trajectory on the basis of edge detection data of an image.SOLUTION: An edge line generation device 12 comprises: an X-axis operation unit 20 and a Y-axis operation unit 22 which operate movement of a grindstone; and a manual specification part including a button which specifies a plurality of points of a contour or a vicinity of a work-piece image displayed on a display 14 as specification points. The edge line generation device comprises an edge line generation part 27 which generates an edge line displayed on the display 14 on the basis of edge detection data existing between display positions of the plurality of specified specification points.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of grinding wheel dressing, and discloses a dressing device which is used for dressing a grinding wheel and comprises a workbench, a grinding stone, a pressurizing piece and a lifting mechanism. The grinding stone is connected to the workbench and used for bearing the grinding wheel. The pressurizing piece is positioned above the millstone; the lifting mechanism is connected to the pressurizing piece and can drive the pressurizing piece to be close to the grinding stone so that the pressurizing piece can abut against the grinding wheel. According to the dressing device, the pressure applied to the grinding wheel by the pressurizing piece each time can be kept consistent through the lifting mechanism, accurate control over the grinding amount of the grinding wheel by the grinding stone is achieved, the defect that in the prior art, the grinding amount is uneven due to manual operation differences is overcome, the unified standard is provided for grinding wheel dressing, and the dressing efficiency is improved. The stability of the grinding wheel dressing effect is improved, the grinding efficiency is improved, and the consistency of the grinding quality of the grinding wheel is ensured.

The present invention addresses the problem of providing a novel grinding device that causes little damage to a workpiece and can perform machining with high efficiency. The processing device is provided with: a grindstone in which abrasive grains are dispersed in a binder containing a thermoplastic resin; and a temperature adjusting mechanism for adjusting the temperature of the contact surface between the grinding tool and the object to be processed according to the processing mode.

The grindstone (10) with the shaft comprises a grindstone seat (11), a grindstone shaft (12) and a grindstone (13), one end of the grindstone shaft (12) is supported by the grindstone seat (11), and the grindstone (13) is installed on the grindstone shaft (12). Guide shapes (15a, 17, 18, 18a) are provided on the grindstone seat (11), and the grindstone seat (11) is provided so that the flow direction of the grinding fluid discharged toward the outer peripheral surface of the grindstone seat (11) is changed while the grinding fluid is supplied to the grinding site of the workpiece (1).

The application provides a knife sharpener with adjustable angle between two grinding stones, comprising a mounting base and a cover, the mounting base is provided with a linkage assembly and a grinding assembly, the grinding assembly comprises a fixed shaft, two grinding blocks and two grinding stones, the two grinding blocks are arranged in cross, the fixed shaft penetrates the middle part of each grinding block, the grinding stone is arranged at the first end of the grinding block, the linkage assembly is connected with the second end of the grinding block, the linkage assembly drives the two grinding blocks to rotate in opposite directions around the fixed shaft, and the linkage assembly comprises a knob; the cover is arranged on the mounting base, the cover is provided with a grinding opening and a sliding groove, the grinding stones are arranged in the grinding opening in cross, the knob is arranged in the sliding groove through the cover, and the knob can move to the grinding opening direction. The front and back movement of the knob drives the two grinding blocks to rotate in opposite directions around the fixed shaft, which is convenient for adjusting the angle between the two grinding stones, so as to adapt to various blade angle cutters, improve the grinding efficiency and prevent the wear of the blade.

This invention discloses a novel knife sharpener, specifically comprising: a sharpening box, wherein a first pad assembly and a second pad assembly are disposed on the inner wall of the bottom of the sharpening box; a first sharpening stone, placed on the first pad assembly; a second sharpening stone, placed on the second pad assembly; and a first positioning assembly disposed on the side of the first sharpening stone away from the second sharpening stone. Because the bottom surface of the first sharpening stone is inclined, when a knife is inserted into the sharpening channel, if the thickness of the knife is greater than the width of the current sharpening channel, the first sharpening stone will inevitably be squeezed towards the side closer to the first positioning assembly. At this time, the gap width decreases, and the width of the sharpening channel increases, allowing it to adapt to the size of the knife. Simultaneously, because the bottom surface of the first sharpening stone is inclined, there is a gravitational force between the first sharpening stone and the knife, thereby ensuring the sharpening effect and improving sharpening efficiency.

A machine tool (100) comprises: a grinding unit (4) that is provided with a tool spindle (1), a tool exchange mechanism (81) for attaching / detaching a tool to / from the tool spindle (1), a grindstone (42), and a drive mechanism (44) for transmitting the rotation of the tool spindle (1) to the grindstone (42) and converting the rotation direction or the rotation speed thereof; a stocker (5) that accommodates the grinding unit (4); a tool magazine that accommodates a tool different from the grindstone (42), the tool magazine being disposed outside a processing chamber (900); and an opening / closing door (D) that is provided on the front surface of the processing chamber (900). The tool exchange mechanism (81) partitions the tool magazine (910) and the processing chamber (900), and includes an opening / closing shutter (31) that opens and closes in order to deliver a tool between the tool spindle (1) and the tool magazine (910). The stocker (5) is disposed on the same side as the opening / closing shutter (31) in the lateral direction as viewed from the opening / closing door (D) within the processing chamber (900) in which the tool spindle (1) is disposed.

A method of manufacturing a grinding wheel includes a surface unevenness forming step of applying ultrasonic vibrations from an ultrasonic vibration applying unit through water to an annular slot defined in a surface of an annular base along circumferential directions thereof, thereby forming surface unevennesses on either one or both of a side surface and a bottom surface of the annular slot, and, after the surface unevenness forming step, a grindstone fixing step of fixing a plurality of grindstones to the annular slot with an adhesive.

A processing method includes: holding a workpiece on a holding surface of a holding table; processing the workpiece by a grindstone tool; and dressing the grindstone tool by bringing a dressing member into contact with the grindstone tool while feeding the dressing member in a stretching direction, the dressing member containing abrasive grains and linearly stretching.

To provide a grinding method of a semiconductor crystal capable of achieving higher grinding accuracy by managing plastic deformation more precisely and in detail as a plastic deformation mechanism of an end face of a semiconductor crystal ingot or a wafer surface, and a grinding wheel for grinding used in the grinding method.SOLUTION: In the method for grinding the Si wafer 100, a plastically deformed area 100A is formed on the front face of the wafer 100 by a temperature rise caused by friction with the grindstone 53 from the grindstone 53 and a pressing force for pressing the wafer 100 against the grindstone 53 via the spindle 51, and the plastically deformed area 100A is ground by the grindstone 53 while performing functional polishing by including a functional additive in the grindstone 53 on the front face of the plastically deformed area 100A.SELECTED DRAWING: Figure 4

The utility model relates to the technical field of terrazzo floors, in particular to a terrazzo floor with a pressure relief function, which comprises a leveling layer positioned above a base layer, a terrazzo layer positioned above the leveling layer and a pressure relief pipe positioned below the terrazzo layer, the pressure relief pipe is provided with a channel, or a channel can be formed between the pressure relief pipe and the leveling layer, or a channel can be formed between the pressure relief pipe and the millstone layer; leaking holes communicated with the channel are formed in the peripheral side of the pressure relief pipe, and at least part of the leaking holes abut against the leveling layer. According to the device, the pressure relief pipe with the channel and the leakage holes is arranged below the compact millstone layer, water vapor of the leveling layer can enter the channel through the leakage holes, a buffer space is reserved for the water vapor, and the water vapor is prevented from bursting the millstone layer.

The utility model relates to the technical field of cutting equipment, and discloses a cutting machine with a knife sharpening function, which comprises cutting machine equipment, the top end of the cutting machine equipment is fixedly connected with two adjusting brackets, the adjusting brackets are internally provided with through grooves, the through grooves are internally connected with movable brackets in a sliding manner, and the movable brackets are fixedly connected with the cutting machine equipment. A support plate is fixedly connected to one side of the movable support, and a grinding device is installed at the bottom end of the support plate. According to the cutting machine with the knife sharpening function, when knife sharpening is needed, only the support needs to be lowered through simple operation, the knife sharpening stone can rapidly fall to make contact with a cutter of the cutting machine for grinding, complex adjusting and aligning processes are not needed, the operation time is greatly saved, the working efficiency is improved, when knife sharpening is not needed, the knife sharpening stone is lifted, the working area is wider, and the working efficiency is improved. Other operations such as cutting are facilitated, occupation and interference of the knife stone on a working space are avoided, and obstacles in a working area are reduced.

A method of manufacturing a grindstone includes molding a mixture of materials including abrasive grains, an epoxy resin, and an amine-based hardener to a predetermined shape and leaving the mixture to stand until the epoxy resin is hardened by the amine-based hardener in a chemical reaction therewith, and the amine-based hardener has an amine value of 600 mgKOH / g or higher.

The present application relates to a kind of grinder guide rail seat calibration device and calibration method, for the calibration of the grinder guide rail seat of shredding assembly;Grinder guide rail seat calibration device includes positioning seat and measuring rod, positioning seat is installed on the grinder stone assembly mechanism of shredding assembly, measuring rod can be inserted and removed on positioning seat;Two ends of grinder guide rail seat are respectively detachably installed on the shell welding of shredding assembly;Grinder stone assembly mechanism side is slidably connected on the guide rail column arranged horizontally in shell welding, and can move along guide rail column axial motion and circumferential motion;The other side of grinder stone assembly mechanism can move along grinder guide rail seat;Shell welding is also provided with first abutment limiting portion and second abutment limiting portion at the same height;Measuring rod is arranged perpendicular to guide rail column, one end of measuring rod extends outside the upper end of shell welding, the other end of measuring rod extends into shell welding and is used for with first abutment limiting portion or second abutment limiting portion adaptation abutment.

1. Name of the product in this design: Sharpening stone. 2. Purpose of this design: A whetstone for sharpening knife blades. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to the technical field of lead material cutting, and discloses a lead material large-size cutting machine which comprises a support, a workbench is fixedly installed on the top of the support, and a plurality of sets of bearing seats which are distributed at equal intervals are fixedly installed on the two sides of the top of the support. A first hydraulic push rod and a cutting machine in the cutting and polishing mechanism are driven, so that when the cutting machine drives a cutting blade to rotate, the cutting machine is pushed to move in the horizontal direction of two sets of limiting bases, and large-size lead materials are transversely cut; a cutting blade driven by a cutting machine can be arranged in the concave base in a matched mode, the cutting blade is matched with continuous rotation of the cutting blade, the cutting blade rubs with knife grinders on the two sides of the inner wall of the concave base, the cutting blade is efficiently ground, and it is avoided that after the cutting blade cuts a large-size lead material for a long time, the cutting edge of the cutting blade is passivated, and the service life of the lead material is prolonged. And the cutting efficiency of the cutting blade on the large-size lead material is ensured.

To provide a lightweight grindstone for a roll sharpener having a structure that can be easily manufactured. [Solution] The roll sharpener grinding wheel of the present invention comprises two curved, dome-shaped diamond grinding wheels, one on the left and one on the right, each with a polygonal cross-section hole in the center; a roughly truncated cone-shaped plastic disk, which has a polygonal cross-section hole in the center and is fitted inside the diamond grinding wheels; and a support part that is inserted into the through-holes to support the two diamond grinding wheels and two plastic disks, with the plastic disks fitted inside each of the two diamond grinding wheels and the grinding faces of the two diamond grinding wheels facing each other, and the cross-section of the support part is the same shape as the cross-section of the through-holes in the two diamond grinding wheels and the two plastic disks.

This utility model relates to the field of power tool technology, specifically a handheld electric scissors with a grinding assembly. A handheld electric scissors includes a rotating blade, a housing, a motor driving the blade's rotation, and a grinding assembly for sharpening the blade. The grinding assembly includes a sharpening stone, a user-rotatable driving member, a driven member that rotates with the driving member, and a biasing member that applies a restoring force to the sharpening stone. The sharpening stone can switch between a first (working) and a second (non-working) position. The driven member is fixed to the sharpening stone, and has a pushed portion; the driving member has a pushing portion, and the pushed portion and the pushing portion abut against each other via a slope. When the user rotates the driving member around its central axis, the pushing portion presses against the pushed portion, causing the driven member to overcome the force of the biasing member and move along the central axis, switching the sharpening stone from the second position to the first position, thus achieving the sharpening and maintenance of the rotating blade. This utility model ensures simple and convenient sharpening operation through the grinding assembly, effectively maintaining the blade's sharpness.

1. Name of the product in this design: Sharpening stone (suction cup). 2. Purpose of this design: Grinding cutting tools. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

To provide abrasive material which has a small influence on workability by abrasive grains and can be expected to have a sufficient anchor effect without limiting the abrasive grains, and also to provide a method for manufacturing a grindstone including a method for manufacturing the abrasive material.SOLUTION: Abrasive material of the present invention includes abrasive grains and adhesive material adhered to a surface of the abrasive grains. The adhesive material forms mesh-like protrusions on the surface of the abrasive grains.SELECTED DRAWING: Figure 2

The present application relates to a technical field of knife grinding equipment, and particularly relates to a knife grinding device capable of variable-angle grinding, which comprises a first supporting seat, a second supporting seat and a grinding assembly, a clamp for clamping a knife is installed on the second supporting seat, a guide rail is fixedly connected between the first supporting seat and the second supporting seat, a moving bracket is slidingly installed on the guide rail, the moving bracket comprises a sliding block and a bracket, the sliding block is slidingly installed on the guide rail, the bracket is detachably connected to the sliding block, the bracket is movably connected to the grinding assembly through an adjusting assembly, the grinding assembly comprises a pull rod and a knife grinding stone, one end of the pull rod is connected to the adjusting assembly, and the knife grinding stone is arranged on the pull rod. By pushing the bracket to reciprocate along the guide rail and simultaneously driving the pull rod to swing left and right along the bracket, the knife grinding stone can be driven to grind at a variable angle on the blade, so that the operator can obtain a convex grinding edge with excellent grinding effect only by simple grinding operation without experience.

A glass plate manufacturing device (1) is provided with: a processing unit (3) including a grindstone (3a) for processing an end surface (Ga) of a glass plate (G); a holding member (4) that holds the machined part (3) at one end (4a); a shaft section (8) that rotatably supports the holding member (4); and a traveling base (7) that supports the shaft section (8), the processing section (3) being configured so as to process the end surface (Ga) of the glass plate (G) after departing from the departing position (12). The counterweight body (9) attached to the holding member (4) functions to suppress the rotational movement of the holding member (4) around the shaft section (8) while the processing section (3) moves to the processing start position (13) of the end surface (Ga) of the glass plate (G) along with acceleration after departing from the departing position (12).

Provided is a superabrasive grain vitrified grindstone having large diameter pores with which grindstone preparation adjustment can be performed easily because cracks do not readily form, stable manufacturing is possible, and there is no uneven distribution of pore diameters. This segment grindstone (superabrasive grain vitrified grindstone having large diameter pores) 14 includes hollow granulated bodies 20 having outer shells 26 to which diamond abrasive grains (superabrasive grains) 18 are bonded by a vitrified bond, wherein the inner cavities of the hollow granulated bodies 20 form large diameter pores 22 in a multi-pore structure of the segment grindstone 14. As a result, the hollow granulated bodies 20 are uniformly mixed with little unevenness in a kneading material to be used for molding, and thus a segment grindstone 14 is obtained in which grindstone preparation adjustment can be performed easily because cracks do not readily form, stable manufacturing is possible, and there is no uneven distribution of pore diameters.

The utility model belongs to the technical field of grinding tools, and particularly relates to a T-shaped groove double-rail sliding block type water tank grinding knife rest, parallel rails are arranged on the upper surface and the lower surface of the grinding knife rest, square-head rail screws are installed in the rails in a sliding mode, butterfly nuts are installed at the ends of the square-head rail screws in a screwing mode, and the square-head rail screws are connected with the butterfly nuts in a screwing mode. Two upper sliding blocks used for clamping a knife stone are installed on the upper surface of the knife sharpening frame, two lower sliding blocks used for supporting a water tank are installed on the lower surface of the knife sharpening frame, and the upper sliding blocks and the lower sliding blocks are arranged outside square-head rail screws in a sleeving mode. Therefore, the square-head rail screw and the butterfly nut can be conveniently matched to fix the upper sliding block on the upper surface of the knife sharpening frame, and the square-head rail screw and the butterfly nut can be conveniently matched to fix the lower sliding block on the lower surface of the knife sharpening frame, so that the two upper sliding blocks on the upper surface of the knife sharpening frame can clamp and fix the knife sharpening stone. And the two lower sliding blocks are matched to limit the inner side of the water tank, so that the purpose that the knife stone is mounted on the water tank through the knife sharpening frame is achieved.

The utility model provides an automatic knife grinder for a seal cutting knife, and belongs to the technical field of knife grinding equipment. The automatic graver knife sharpener comprises a base, a water tank, a support, a sliding rail, a motor box, a knife stone, a knife stone fixing mechanism, a reciprocating driving mechanism, a pressure adjusting mechanism, a graver fixing mechanism and a dust removing and cooling mechanism, the water tank is fixed to the upper surface of the base, and the sliding rail is fixed to the upper surface of the water tank; the support is arranged on the sliding rail in a sliding mode, the motor box is fixed to the upper surface of the water tank, a transverse rod of the support penetrates through the motor box in a sliding mode, the knife stone fixing mechanism is installed on the water tank, and the knife stone is installed on the knife stone fixing mechanism. According to the automatic knife sharpener for the seal cutting knife, the seal cutting knife can be automatically polished, time and labor are saved, the sharpness of the seal cutting knife can be well controlled, and the polishing efficiency of the seal cutting knife is improved.

To provide a dressing device, a dressing method, and a tip manufacturing method capable of suitably controlling relative movement of a dresser board and a grinding wheel in a direction crossing a sliding surface during dressing or a load applied between them during dressing.SOLUTION: The dressing apparatus includes a board holding part that holds the dresser board, a moving part that moves the board holding part and the grindstones relative to each other in a direction intersecting sliding surfaces of the grindstones and the dresser board, and a measuring part that measures a load applied to the dresser board.SELECTED DRAWING: Figure 2